W. Va. Code § 22C-9-10
(e) After any hearing and consideration of all of the testimony, evidence and record in the case, the commission shall render a decision in writing. The written decision of the commission shall be accompanied by findings of fact and conclusions of law as specified in section three, article five, chapter twenty-nine-a of this code, and a copy of such decision and accompanying findings and conclusions shall be served by certified mail, return receipt requested, upon all parties and their attorney of record, if any.
The decision of the commission shall be final unless reversed, vacated or modified upon judicial review thereof in accordance with the provisions of section eleven of this article.